[OPEN] Error Code 134:f3b264bf

Product: The Sims 4
Platform:PC
Which language are you playing the game in? English
How often does the bug occur? Every time (100%)
What is your current game version number? 1.99.264.1030
What expansions, game packs, and stuff packs do you have installed? Werewolves, My Wedding Stories, Vintage Glamour Stuff, Toddler stuff, Tiny Living, Snowy Escape, Seasons, Realm of Magic, Parenthood, Outdoor Retreat, Nifty Knitting, Moschino, Luxury Party, Laundry Day, Island Living, Horse Ranch, Holiday Celebration, High School Years, Growing Together, Get Together, Get to Work, Get Famous, Eco Lifestyle, Dream Home Decorator, Discover University, Dine Out, Desert Luxe, Cottage Living, Cool Kitchen Stuff, City Living, Cats & Dogs, Bowling Night Stuff
Steps: How can we find the bug ourselves? Not sure if this happens for other people, but just trying to load other households in my save file
What happens when the bug occurs? I try and load other households in the save but it comes up with a message saying ‘ The game failed to load. Error Code: 134:3264bf:78e9ac19. It is recommended that you relaunch the game.’
What do you expect to see? To be able to load other households
Have you installed any customization with the game, e.g. Custom Content or Mods? Not now. I've removed them.
Did this issue appear after a specific patch or change you made to your system? Yes
Please describe the patch or change you made. The recent update just before the Horse Ranch release

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I think it might be something to do with the Horse Ranch pack but I’m not sure